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151251230 = 25134332687
BaseRepresentation
bin10010000001111…
…10100100011110
3101112121100200102
421000332210132
5302210014410
623001501102
73514420454
oct1100764436
9345540612
10151251230
1178417319
12427a1792
1325449590
14161329d4
15d42a2a5
hex903e91e

151251230 has 32 divisors (see below), whose sum is σ = 293981184. Its totient is φ = 55696896.

The previous prime is 151251223. The next prime is 151251239. The reversal of 151251230 is 32152151.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151251239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54947 + ... + 57633.

It is an arithmetic number, because the mean of its divisors is an integer number (9186912).

Almost surely, 2151251230 is an apocalyptic number.

151251230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151251230 is a deficient number, since it is larger than the sum of its proper divisors (142729954).

151251230 is a wasteful number, since it uses less digits than its factorization.

151251230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3140.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 151251230 is about 12298.4238827583. The cubic root of 151251230 is about 532.8025626667.

The spelling of 151251230 in words is "one hundred fifty-one million, two hundred fifty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 433 866 2165 2687 4330 5374 5629 11258 13435 26870 28145 34931 56290 69862 174655 349310 1163471 2326942 5817355 11634710 15125123 30250246 75625615 151251230